<template>
  <div class="login-container">
    <video
      class="video"
      src="@/assets/common/animation.mp4"
      autoplay="autoplay"
      loop="loop"
      muted="muted"
    />
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      auto-complete="on"
      label-position="left"
    >
      <div class="title-container">
        <h3 class="title">
          <img
            class="avatar"
            :src="require('@/assets/common/login-logo.png')"
            alt=""
          >
        </h3>
      </div>

      <el-form-item prop="account">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="username"
          v-model="loginForm.account"
          placeholder="账号"
          s
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="账号"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon
            :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"
          />
        </span>
      </el-form-item>

      <!-- 验证码 -->
      <el-form-item prop="code">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="code"
          v-model="loginForm.code"
          placeholder="验证码"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
        <img class="code" :src="imgCode" alt="" @click="dorandom">
      </el-form-item>

      <el-button
        :loading="loading"
        type="primary"
        style="width: 100%; margin-bottom: 30px"
        @click.native.prevent="handleLogin"
      >Login</el-button>

    </el-form>
  </div>
</template>

<script>
export default {
  name: 'Login',
  data() {
    return {
      loginForm: {
        account: 'demo',
        password: 'hm#qd@23!',
        code: '',
        key: ''

      },
      loginRules: {
        account: [{ required: true, trigger: 'blur', message: '请输入用户名' }],
        password: [{ required: true, trigger: 'blur', message: '请输入密码' }],
        code: [{ required: true, trigger: 'blur', message: '请输入验证码' }]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined,
      key: Date.now() + Math.random()
    }
  },
  computed: {
    imgCode() {
      return process.env.VUE_APP_BASE_API + `manager/captcha?key=${this.key}`
    }
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.$store.dispatch('user/login', {
            account: this.loginForm.account,
            password: this.loginForm.password,
            code: this.loginForm.code,
            key: this.key
          })
          // console.log(this.key)
        } else {
          console.log('error submit!!')
          return false
        }
      })
    },
    // 验证码
    dorandom() {
      this.key = Date.now() + Math.random()
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #000;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #fff;
    .el-form-item__content{
      background-color: #fff;
      color: #000;
    }
  }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  background-size: 100% 100%;
  height: 100vh;
  overflow-y: hidden;
  // position: relative;
}
.video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.login-form {
  position: absolute;
  top: 45%;
  left: 45%;
  margin: -180px 0 0 -160px;
  width: 450px;
  height: 490px;
  max-width: 100%;
  padding: 36px 40px;
  border-radius: 10px;
  overflow: hidden;
  background-color: #fff;
  .code{
    width: 71px;
    height: 32px;
    position: absolute;
    right: 10px;
    top: 9px;
  }
}

.tips {
  font-size: 14px;
  color: #fff;
  margin-bottom: 10px;

  span {
    &:first-of-type {
      margin-right: 16px;
    }
  }
}

.svg-container {
  padding: 6px 5px 6px 15px;
  color: $dark_gray;
  vertical-align: middle;
  width: 30px;
  display: inline-block;
}

.title-container {
  position: relative;

  .title {
    font-size: 26px;
    color: $light_gray;
    margin: 0px auto 40px auto;
    text-align: center;
    font-weight: bold;
  }
  .avatar {
    height: 54px;
  }
}

.show-pwd {
  position: absolute;
  right: 10px;
  top: 7px;
  font-size: 16px;
  color: $dark_gray;
  cursor: pointer;
  user-select: none;
}
</style>
